Belting



Nov. 2o, 192s. l 1,691,968

E. F. GNGRAS n BELTING Filed Aug. 13, 1924 Edward f' Jnfras Has Horny iro' against "to insure uniformity in the distance which iatented Nov. ZG, 1928i.

UiilTE .SSTieiTESv lPMI-:Nr OFFICE.

, EDWARD F. GINGRAS, OF BUFFALO, YORK.

BELTING.

l Application filediAiigust'lB, 1924. Serial No.,731,771.

rFhis invention relates to an improvement ditions, and distinguishable overthe old type of belting by the fact that it can be employed in installations Where a shifter is used, that is to say: Where the belting its shifted transversely from one pulley to another by means of an arm or shifter bearing against the edge of the belting.

Another object of this invention is to provide bel ting of this type in Which the leather facing projects at each side beyond the edges of the fabric backing, and the projecting e-.iglges are stiffened by the application of a coating to prevent their curling under use.

further object of this invention resides in the process of making the belting,and more particularly in the use of guides bean the edges of the fabric backing the edges of the leather facing project beyond the edges of the fabric backing in the finished belting.

(Ether objects of this invention Will appear from the following description taken in con q nection With the drawings which form a part thereof, and in Which F 1 is a plan vievv of a portion of the machine on which the process of making belting which forms a part of this invention is practiced;

Fig. 2 is a transverse sectional view taken along the line 2-2 of Fig. 1;

Fig. 3 is a transversesectional view taken along the line 3-3 of Fig. 1;

Fig. 4 is a somewhat diagrammatical view illustrating the manner of preparing the leather facing and cotton backing before the parts are brought together; and

Fig. 5 is a cross section of bel-ting embodying this invention, in which the outer face is given a coat of paint.

The belting Which forms the subject of this invention may be made by any Well known process, preferably that shown in my Patent No. 1,419,342, dated June 13, 1922. The

table designated on the drawingas provided Vwith adjustable guides 11 and 12, ,and two cutters 13 and 14, which trim the edges of the leather facing. The cutters 13 and 14 are adj ustably mounted, as Well as the guides lcompleted belting is then led to a cutting 11 and 12, and their operating edges are arranged at a definite distance from the center line of the belting and the side edges of the fabric belting as determined b the guides 11 and 12. The guides bear on y against the fabric backing, their formation being such as shown in Fig. 2 to permit the leather facing to travel beneath them Without interference.

1Referring to Fig. 4, it Will be noted that both the leather facing 15 andy the fabric backing 16 are given a coating of a suitable solution, preferably glue or Waterproof cetirely omitted, reliance being` placed upoir thecoating 17 alone, to hold the parts in their proper relation.

Referring to Figs. 2 and 3, it Will be noted that the coating 17 on the facing 15 has tWo functions: first, it unites the fabric baclrlng to the leather facing and second, it iinpregnates the edges of the facing projecting be yond the edges ofthe backing, and conseuently When the coating is dry theleather Will be stiffened at the edges.l Thisstifening of the edges of the leat er facing gives it greater strength and resistance to the curling endency, due to the pressure ofthe shifter In Fig. 5 is shown a belting, the outer face of Which is given a coat of paint 19, which completely covers the exposed portions of the fabric backing and runs down over the projecting edges of the facing. This coat of paint also stifl'ens the edges of the leather and under certain circumstances if desired, the gummed coating17 beyond the edges of the backing may be omitted after the belting is given a coat of paint.

While one embodiment of this invention has been shown and described, applicant is not limited thereto, since it is obvious that other embodiments can be made Without departing from the spirit and scope of this invention as set forth in the following claim. guiding the belting by contact With the side 1'@ I-Iaving thus set forth my invention what edges of the backing trimming the edges of I claim as neW and for which I desie pioteethe facing a pre-determined distance beyond tion by Letters Patent is: the .edges of the backing and stiffening the The process of making a belting comprisprojecting edges of said facing. ing` a fabric backing and a leathei" facing con- In testimony whereof I have aHiXed my 15 Sisting in uniting the backingand facing by signature. a gum solution with the edges of the facing Y pojecting beyond the edges of the backing, EDWARD F. GINGRAS. 

